package com.wakaca.design.pattern.structural.composite;

/**
 * 目录组件抽象类
 * 把课程和课程目录都认为是 CatalogComponent，进行统一处理
 * Created by wakaca
 */
public abstract class CatalogComponent {
    public void add(CatalogComponent catalogComponent){
        throw new UnsupportedOperationException("不支持添加操作");
    }
    public void remove(CatalogComponent catalogComponent){
        throw new UnsupportedOperationException("不支持删除操作");
    }
    public String getName(CatalogComponent catalogComponent){
        throw new UnsupportedOperationException("不支持获取名称操作");
    }
    public double getPrice(CatalogComponent catalogComponent){
        throw new UnsupportedOperationException("不支持获取价格操作");
    }
    public void print(){
        throw new UnsupportedOperationException("不支持打印操作");
    }
}
